Selecting the right screw for your application can be a
challenging and time consuming endeavor. The PS&E Design Team
makes it easy. Our Engineering and Design Teams have a combined
150+ years of hands-on experience in solving simple to complex molding
problems. Although every molding project has unique variables, chances
are that our engineers have solved similar issues in the past.

Whether you are looking to speed up cycle times, increase melt
quality and consistency, achieve a more homogenous melt, or enhance
material quality by reducing over shearing or long residence times, PS&E
can provide a custom design screw to solve even the most difficult
problems.

Our CommitmentNothing is more important than getting it right the first
time. That's why our Design Team will do whatever it takes to
custom design the best screw, barrel, or complete injection unit to
match your specific application. We take pride in the ability to make
any screw. Our experienced Design Team is dedicated to providing
exceptional design and technical support to keep your molding operations
running efficiently. When you need assistance, we're here to make
your job easier. Let us know your specific needs and we can custom
design a screw to fit your specific application. For quicker
response, use the quickQuote link below.

Quality CraftsmanshipAll PS&E custom design screws are manufactured from the
highest-quality materials to withstand the stringent demands your
operations require. Our screws represent the finest workmanship in the
industry. Each custom designed screw is precisely manufactured to
your specifications using the latest technology and quality inspected to
ensure optimum performance. We inspect every screw for accurate
gauging of all dimensions and evaluate the screw's appearance and
performance requirements by performing quality checks to verify:

Material Composition

Hardness Testing

Mechanical Dimensions

Straightness

Welding

Surface Finish

Production CapabilitiesWe can manufacture any screw from 1/2" (12mm) to
10" (254mm) ID up to 25' in length.
Our screws are available in a variety of tool steels to meet your
specific requirements.

BASE MATERIALS

4140 Alloy Steel

Nitralloy 135m

H-113 Tool Steel

D-2 Tool Steel

CPM - 9V

CPM - 10V

CPM - 420V

17-4 Stainless

Cru-Wear

Other choice tool steels

FLITE HARD FACINGS

Stellite #6

Stellite #12

Colmonoy #56

Colmonoy #57

Colmonoy #83

Colmonoy #88

SURFACE HARDENINGS

Nitriding

D-Gun

Industrial Hard Chrome Plating

Carbide Encapsulating

Titanium Nitriding

Armoloy

Plastic MaterialsCustom Design Screws are available for use with the following
materials.

ABBREV

POLYMER

ABS

acrylonitrile-butadiene-styrene

ASA

acrylate-styrene-acrylonitrile

ATH

aluminum trihydrate

BDS

butadiene-styrene block copolymer

BMC

bulk molding compound

BOPP

biaxially oriented polypropylene

BR

butadiene rubber

CA

cellulose acetate

CAB

cellulose acetate-butyrate

CAP

cellulose acetate propionate

CE

cellulose

CMC

carboxymethyl cellulose

CN

cellulose nitrate

CP

cellulose propionate

CSM

chlorosulphonated polyethylene

DMC

dough molding compound

TPX

polymethyl pentene copolymer

UHMWPE

ultra high molecular weight PE

VCM

vinyl chloride monomer

ECTFE

ethylene chlorotrifluoro ethylene

EPDM

ethylene-propylene-diene monomer

EPM

ethylene-propylene rubber

EPR

ethylene-propylene rubber

ABBREV

POLYMER

EPS

expanded polystyrene

EVOH

ethylene vinyl acetate

FEP

fluorinated ethylene-propylene

FRP

fibre reinforced polyester/plastics

GMT

glass mat thermoplastic

GPPS

general purpose polystyrene

GRP

glass reinforced plastic

HDPE

high density polyethylene

HEMA

hydroxyethyl metharcylate polymer

HIPS

high impact polystyrene

LCP

liquid crystal polymer

LDPE

low density polyethylene

LLDPE

linear low density polyethylene

MBS

methacrylate-butadiene-styrene

MDPE

medium, density polyethylene

MF

melamine formaldehyde

NBR

acrylonitrile butadiene rubber

OPP

oriented polypropylene

PA

polyamide = nylon

PAA

polaryl amide

PA 6

nylon 6

PA 66

nylon 66

PA 46

nylon 46

ABBREV

POLYMER

PA610

nylon 610

PA66/610

nylon 66/610 copolymer

PA11

nylon 11

PA12

nylon 12

PAI

polyamide imide

PAN

polyacrylonitrile

PB

polybutylene

PBT

polybutylene terephthalate

PC

polycarbonate

PE

polyethylene

PEBA

polyether block amide

PEEK

polyetheretherketone

PEEL

polyester elastomer

PEI

polyester imide

PEK

polyetherketone

PES

polyether sulphone

PETP

polyethylene terephthalate

PETG

PET copolymer

PF

phenol formaldehyde

PFA

perfluoro alkocyl alkane

PHB

polyhydroxbutyrate

PI

polyimide

PIR

polyisocyanurate rigid (foam)

ABBREV

POLYMER

PMMA

polymethyl methacrylate

PMP

polymethyl pentene

POM

polyoxymethylene

PP

polypropylene

PPE

polypropylene ether

PPO

polypropylene sulphide

PPSS

polypropylene sulphide sulphone

PS

polystyrene

PSU

polysulphone

PTFE

polytetrafluoroethylene

PTMT

polytetramethylene terephthalate

PUR

polyurethane

PVA

polyvinyl acetate

PVB

polyvinyl butytral

PVC

polyvinyl chloride

PVCC

chlorinated polyvinyl chloride

PVCP

polyvinyl chloride plasticized

PVCU

polyvinyl chloride unplasticized

PVDC

polyvinylidene chloride

ABBREV

POLYMER

PVDF

polyvinylidene fluoride

PVF

polyvinylfluoride

PVOH

polyvinyl alcohol

SAN

styrene acrylonitrile

SRB

styrene-butadiene-styrene

SEBS

styrene-ethylene-butadiene-styrene

SIS

styrene-isoprene-styrene

SMA

styrene maleic anhyride

SMC

sheet molding compound

SRP

self reinforcing polymer

TPE

thermoplastic elastomer

TPO

thermoplastic olefin

TPR

thermoplastic rubber

TPS

toughened polystyrene

TPU

thermoplastic polyurethane (rubber)

TPUR

thermoplastic polyurethane (rubber)

UF

urea formaldehyde

VC

vinyl chloride

XLPE

cross-linked polyethylene

Our GuaranteePS&E guarantees our barrels and screws to be free of
defective materials and workmanship for 90 days (industry standard).
We also offer extended life warranties on same materials.

Plastication ComponentsIn addition to Custom Design Screws and Barrels, we also
offer Custom Design Screw Tip Assemblies, Nozzle Tips, End Caps, and Tie
Bars. PS&E provides all of the products you need to make your
molding processes run efficiently and cost effectively. Click the
link below to view the complete PS&E
Product Index.